Microchip Technology

MIC38C44YN  

AC DC Converters, Offline Switches

MIC38C44YN Description

The MIC38C44YN is a versatile offline switch-mode power supply IC designed for a variety of power management applications. Manufactured by Microchip Technology, this component is categorized under Power Management (PMIC) and is known for its robust performance and extensive feature set. The MIC38C44YN supports multiple topologies including Boost, Buck, Flyback, and Forward, making it suitable for a wide range of power conversion needs. It features an internal switch, which simplifies design and reduces component count, and offers frequency control for precise regulation of switching frequency.

The MIC38C44YN is housed in a Through Hole package, specifically in a Tube format, which ensures reliable mechanical stability and ease of integration into various electronic systems. It operates within a supply voltage range of 9V to 20V and has a startup voltage of 14.5V, ensuring stable operation across different input conditions. The IC is designed to operate with a 50% duty cycle and a switching frequency of 500kHz, providing efficient power conversion and minimal electromagnetic interference (EMI).

MIC38C44YN Features

• Multiple Topologies: Supports Boost, Buck, Flyback, and Forward topologies, offering flexibility in power conversion design.
• Internal Switch: Integrated internal switch reduces external component requirements, simplifying the overall design and improving reliability.
• Frequency Control: Provides frequency control features, enabling precise regulation of the switching frequency to optimize performance and reduce EMI.
• Wide Input Voltage Range: Operates within a supply voltage range of 9V to 20V, ensuring compatibility with various power sources.
• High Startup Voltage: A startup voltage of 14.5V ensures reliable operation even under low input voltage conditions.
• Output Isolation: Offers isolated output, enhancing safety and performance in applications requiring galvanic isolation.
• Compliance and Standards: Complies with REACH and ROHS3 standards, ensuring environmental and safety compliance. The ECCN classification is EAR99, indicating its general availability for international trade.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited) ensures the component can be stored and handled without special moisture protection, facilitating ease of use in manufacturing environments.

MIC38C44YN Applications

The MIC38C44YN is ideal for a variety of applications where efficient power conversion and reliable performance are critical. Some specific use cases include:

• Power Supplies: Ideal for designing offline power supplies for consumer electronics, industrial equipment, and telecommunications infrastructure.
• Adapters and Chargers: Suitable for creating compact and efficient power adapters and chargers for portable devices.
• LED Lighting: Can be used in LED driver designs to provide stable and efficient power to LED arrays, enhancing lighting performance and longevity.
• Medical Devices: Its isolated output and compliance with safety standards make it suitable for power management in medical equipment.
• Automotive Electronics: Provides reliable power conversion for various automotive electronic systems, ensuring stable operation under varying voltage conditions.

Conclusion of MIC38C44YN

The MIC38C44YN from Microchip Technology stands out as a highly versatile and reliable offline switch-mode power supply IC. Its support for multiple topologies, internal switch, and frequency control features make it an excellent choice for a wide range of power management applications. The wide input voltage range, high startup voltage, and output isolation further enhance its suitability for diverse use cases. Compliance with REACH and ROHS3 standards ensures environmental and safety considerations are met, while its MSL 1 rating facilitates ease of handling and integration. Overall, the MIC38C44YN offers significant advantages over similar models, providing a robust and efficient solution for power conversion needs in various industries.

MIC38C44YN Documents

Download datasheets and manufacturer documentation for MIC38C44YN

PCN Assembly/Origin :

Final Test Site 29/May/2023      

Datasheets :

MIC38C42, 43, 44, 45      

PCN Packaging :

Packing Changes 10/Oct/2016      

PCN Design/Specification :

MIC38C42/3/4/5 10/Feb/2022       MIC38C42/3/4/5 19/Oct/2020      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH